123241503440317 has 2 divisors, whose sum is σ = 123241503440318. Its totient is φ = 123241503440316.

The previous prime is 123241503440291. The next prime is 123241503440323. The reversal of 123241503440317 is 713044305142321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110158857844281 + 13082645596036 = 10495659^2 + 3616994^2 .

It is an emirp because it is prime and its reverse (713044305142321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123241503440317 - 2⁷ = 123241503440189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123241503440317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123241503440387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61620751720158 + 61620751720159.

It is an arithmetic number, because the mean of its divisors is an integer number (61620751720159).

Almost surely, 2^{123241503440317} is an apocalyptic number.

It is an amenable number.

123241503440317 is a deficient number, since it is larger than the sum of its proper divisors (1).

123241503440317 is an equidigital number, since it uses as much as digits as its factorization.

123241503440317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 40.

Adding to 123241503440317 its reverse (713044305142321), we get a palindrome (836285808582638).

The spelling of 123241503440317 in words is "one hundred twenty-three trillion, two hundred forty-one billion, five hundred three million, four hundred forty thousand, three hundred seventeen".